This quiz works best with JavaScript enabled. Home > Science > Physics > Nuclear Science – Quiz 12 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Nuclear Science Quiz 12 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Nucleus of tritium has ..... neutrons. A) 1. B) 2. C) 3. D) 4. Show Answer Correct Answer: B) 2. 2. Why is burning fossil fuels bad for the environment? A) It destroys the ozone layer. B) It adds harmful mercury to waterways. C) The clouds it creates bring excess rain and flooding. D) The gases emitted lead to global climate change. Show Answer Correct Answer: D) The gases emitted lead to global climate change. 3. We use the energy stored in the nucleus of an atom by converting it to ....., which can then be used to generate electricity. A) Potential energy. B) Thermal energy. C) Mechanical energy. D) None of above. Show Answer Correct Answer: B) Thermal energy. 4. The combining of 2 nuclei to form a larger nucleus is called ..... A) Fission. B) Fusion. C) Radioactive waste. D) Compounds. Show Answer Correct Answer: B) Fusion. 5. The splitting of a nucleus of an atom is called ..... A) Fission. B) Fusion. C) Radioactive waste. D) Craziness. Show Answer Correct Answer: A) Fission. 6. North Anna and Surry are 2 Virginia power plants that have ..... in common to prevent meltdowns. A) A large population of people. B) A large water source. C) A large supply of electricity. D) A small animal population. Show Answer Correct Answer: B) A large water source. 7. In the symbol 20682Pb what does 206 stand for? A) Mass number. B) Atomic number. C) Atomic mass. D) Number of protons. Show Answer Correct Answer: A) Mass number. 8. In what part of an atom can protons be found? A) Inside the electrons. B) Inside the neutrons. C) Inside the atomic nucleus. D) Inside the electron shells. Show Answer Correct Answer: C) Inside the atomic nucleus. 9. Nuclear fussion releases energy which is used to heat water, which produces steam, which drives turbines to produce what .....? A) Electricity. B) Uranium. C) Natural Gas. D) None of above. Show Answer Correct Answer: A) Electricity. 10. Mass excess for U-235 is A) 0.05 u. B) 0.06 u. C) 0.034 u. D) 0.043 u. Show Answer Correct Answer: D) 0.043 u. 11. As compare to proton, mass of neutron is A) 0.1 % greater. B) 1 % greater. C) 5 % greater. D) 10 % greater. Show Answer Correct Answer: A) 0.1 % greater. 12. One of the element used in generating nuclear power is ..... A) Carbon. B) Uranium. C) Aluminum. D) None of above. Show Answer Correct Answer: B) Uranium. 13. When a nucleus undergoes nuclear decay by gamma rays, the atomic number of the element ..... A) Remains the same. B) Decreases by one. C) Increases by one. D) Increases by two. Show Answer Correct Answer: A) Remains the same. 14. Nuclear fusion releases energy when A) Heavy ions fuse together. B) Very light nuclei fuse together. C) Uranium splits into two fragments. D) Uranium emits a neutron. Show Answer Correct Answer: B) Very light nuclei fuse together. 15. Splitting a large atom into two or more smaller atoms is called A) Fission. B) Fusion. C) Osmosis. D) Byproduct. Show Answer Correct Answer: A) Fission. 16. What is a CON about nuclear energy? A) It causes global warming. B) It generates hazardous waste that can get people sick. C) Both of these are true. D) None of above. Show Answer Correct Answer: B) It generates hazardous waste that can get people sick. 17. If energy is released from a system, it's mass A) Zero. B) Constant. C) Increases. D) Decreases. Show Answer Correct Answer: D) Decreases. 18. U-235 content in enriched uranium, that is normally used in power reactors (e.g., at Tarapur atomic power plant), is about ..... percent. A) 3. B) 50. C) 85. D) 97. Show Answer Correct Answer: A) 3. 19. Percentage of U-238 in natural uranium is around A) 0.015. B) 0.71. C) 29.71. D) 99.29. Show Answer Correct Answer: A) 0.015. 20. Which one is different for the neutral atoms of the isotopes of an element? A) Atomic numbers. B) Atomic weights. C) Number of protons. D) Number of electrons. Show Answer Correct Answer: B) Atomic weights. ← PreviousNext →Related QuizzesScience QuizzesNuclear Science Quiz 1Nuclear Science Quiz 2Nuclear Science Quiz 3Nuclear Science Quiz 4Nuclear Science Quiz 5Nuclear Science Quiz 6Nuclear Science Quiz 7Nuclear Science Quiz 8Nuclear Science Quiz 9 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books